base-gas-x402-production.up.railway.app publishes 3 machine-payable endpoints over the x402 protocol, priced from $0.005 to $0.02 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /gas | GET | $0.005 | 402 |
| /gas/cheapest-window | GET | $0.02 | 402 |
| /gas/history | GET | $0.012 | 200 |
Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estimate for any gas limit.
Cheapest hours of day to transact on Base, from collected gas history: hourly averages in UTC ranked cheapest first, plus the savings percent.
Historical Base mainnet gas prices over a lookback window: time series, min/max/average/median, and a cheap/normal/expensive verdict for the current price.